lib/rumale/kernel_machine/kernel_pca.rb in rumale-0.18.5 vs lib/rumale/kernel_machine/kernel_pca.rb in rumale-0.18.6

@@ -16,10 +16,10 @@
     #
     #   kernel_mat_test = Rumale::PairwiseMetric::rbf_kernel(test_samples, training_samples)
     #   mapped_test_samples = kpca.transform(kernel_mat_test)
     #
     # *Reference*
-    # - B. Scholkopf, A. Smola, and K-R. Muller, "Nonlinear Component Analysis as a Kernel Eigenvalue Problem," Neural Computation, Vol. 10 (5), pp. 1299--1319, 1998.
+    # - Scholkopf, B., Smola, A., and Muller, K-R., "Nonlinear Component Analysis as a Kernel Eigenvalue Problem," Neural Computation, Vol. 10 (5), pp. 1299--1319, 1998.
     class KernelPCA
       include Base::BaseEstimator
       include Base::Transformer
 
       # Returns the eigenvalues of the centered kernel matrix.